Mountains dominate the landscape of Afghanistan, forming a terrigenous skeleton, traversing the center of the country, running generally in a northeast-southwest direction. More than 49 percent of the total land area lies above 2,000 meters. Although geographers differ on...

Greenland's highest mountains are the massive ice-covered peaks and exposed cliffs of the Watkins Range on the east coast. Excellent snow and ice routes exist here for experienced climbers, though access is difficult and...